Prime-Line Products

For more than 40 years, Prime-Line Products has been recognized as North America's largest supplier of window and door replacement hardware. Today, the company features thousands of SKUs vital to the maintenance and improvement of residential, commercial, and industrial properties. Headquartered in Redlands, California, Prime-Line is part of GreatStar Tools, U.S.A, a subsidiary of the GreatStar Group of companies.